253422665704144 has 20 divisors (see below), whose sum is σ = 491014942040196. Its totient is φ = 126709132274432.

The previous prime is 253422665704133. The next prime is 253422665704217. The reversal of 253422665704144 is 441407566224352.

It can be written as a sum of positive squares in 2 ways, for example, as 15324187110544 + 238098478593600 = 3914612^2 + 15430440^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136585819 + ... + 138428794.

Almost surely, 2^{253422665704144} is an apocalyptic number.

It is an amenable number.

253422665704144 is a deficient number, since it is larger than the sum of its proper divisors (237592276336052).

253422665704144 is a wasteful number, since it uses less digits than its factorization.

253422665704144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275072214 (or 275072208 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 55.

The spelling of 253422665704144 in words is "two hundred fifty-three trillion, four hundred twenty-two billion, six hundred sixty-five million, seven hundred four thousand, one hundred forty-four".